大约有 48,000 项符合查询结果（耗时：0.0535秒） [XML]
Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
...bview corresponds to a point at 20,30 in the superview. This conversion is what those methods are doing.
Your example above is pointless (no pun intended) since it converts a point from a view to itself, so nothing will happen. You would more commonly find out where some point of a view was in rel...
What is a wrapper class?
What is a wrapper class?
How are such classes useful?
17 Answers
17
...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
What's the difference between RANK() and DENSE_RANK() functions? How to find out nth salary in the following emptbl table?
...
What is the opposite of 'parse'? [closed]
...
What about 'deserialize'?
– Den
Apr 27 '15 at 21:38
add a comment
|
...
What is the difference between a static and a non-static initialization code block
...
@Totò: Yes, that's what the resolution of the class entails (at least they used to refer to it as link+init as "resolution" way back when). I am not surprised you can use reflection to discover things about a class without it resolving.
...
Handling InterruptedException in Java
What is the difference between the following ways of handling InterruptedException ? What is the best way to do it?
7 Answ...
What is the difference between ArrayList.clear() and ArrayList.removeAll()?
...fusing code. It is a very backwards way of saying "clear this collection". What advantage would it have over the very understandable arraylist.clear()?
share
|
improve this answer
|
...
What is the difference between decodeURIComponent and decodeURI?
What is the difference between the JavaScript functions decodeURIComponent and decodeURI ?
7 Answers
...
Why do you need to invoke an anonymous function on the same line?
...(a, b) { return a + b; }
alert(sum(5, 5)); // alerts 10
So you may ask, what's the difference between declaration and expression?
From ECMA Script specification:
FunctionDeclaration :
function Identifier ( FormalParameterListopt ){ FunctionBody
}
FunctionExpression :
func...
What is the difference between sql and mysql [closed]
I am new to databases and I was wondering: What is the difference between SQL and MySQL ?
5 Answers
...